81198015

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{88741}}^1$

素因数の和:88810

約数の個数: 16

約数和(自身を含む): 132048096

約数和(自身を除く): 50850081

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 88741, 266223, 443705, 1331115, 5413201, 16239603, 27066005, 81198015]

約数ペア:

[(1, 81198015), (3, 27066005), (5, 16239603), (15, 5413201), (61, 1331115), (183, 443705), (305, 266223), (915, 88741)]